diff --git a/build.gradle.kts b/build.gradle.kts
index ded7fe7..d59852f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -4,7 +4,7 @@ plugins {
 }
 
 group = "com.github.lppedd"
-version = "0.2.2"
+version = "0.2.3"
 
 repositories {
   maven("https://dl.bintray.com/kotlin/kotlin-eap")
diff --git a/plugin-description.html b/plugin-description.html
index 1de214d..cfcf4c5 100644
--- a/plugin-description.html
+++ b/plugin-description.html
@@ -1,6 +1,7 @@
 <p>
   This plugin provides code style customization for
-  <strong>infix</strong> and <strong>operator</strong> (math and keyword) functions.
+  <strong>infix</strong> and <strong>operator</strong> (math and keyword) functions
+  and more keywords customization.
 </p>
 <br/>
 <p>
diff --git a/src/main/kotlin/com/github/lppedd/kotlin/KotlinAnnotator.kt b/src/main/kotlin/com/github/lppedd/kotlin/KotlinAnnotator.kt
index 79dcd19..5dd647a 100644
--- a/src/main/kotlin/com/github/lppedd/kotlin/KotlinAnnotator.kt
+++ b/src/main/kotlin/com/github/lppedd/kotlin/KotlinAnnotator.kt
@@ -6,59 +6,168 @@ import com.intellij.openapi.editor.colors.EditorColorsManager
 import com.intellij.openapi.editor.colors.TextAttributesKey
 import com.intellij.openapi.editor.markup.TextAttributes
 import com.intellij.psi.PsiElement
+import com.intellij.psi.impl.source.tree.LeafPsiElement
 import org.jetbrains.kotlin.idea.highlighter.KotlinHighlightingColors
 import org.jetbrains.kotlin.lexer.KtKeywordToken
 import org.jetbrains.kotlin.lexer.KtSingleValueToken
+import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.psi.KtOperationReferenceExpression
 
 internal val KOTLIN_INFIX_FUN: TextAttributesKey =
-  TextAttributesKey.createTextAttributesKey(
-    "CUSTOM_KOTLIN_INFIX_FUN",
-    KotlinHighlightingColors.FUNCTION_CALL
-  )
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_INFIX_FUN",
+        KotlinHighlightingColors.FUNCTION_CALL
+    )
 
 internal val KOTLIN_KEYWORD_OPERATOR_FUN: TextAttributesKey =
-  TextAttributesKey.createTextAttributesKey(
-    "CUSTOM_KOTLIN_KEYWORD_OPERATOR_FUN",
-    KotlinHighlightingColors.KEYWORD
-  )
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_KEYWORD_OPERATOR_FUN",
+        KotlinHighlightingColors.KEYWORD
+    )
 
 internal val KOTLIN_MATH_OPERATOR_FUN: TextAttributesKey =
-  TextAttributesKey.createTextAttributesKey(
-    "CUSTOM_KOTLIN_MATH_OPERATOR_FUN",
-    KotlinHighlightingColors.OPERATOR_SIGN
-  )
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_MATH_OPERATOR_FUN",
+        KotlinHighlightingColors.OPERATOR_SIGN
+    )
+
+internal val KOTLIN_MODIFIER_OVERRIDE: TextAttributesKey =
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_MODIFIER_OVERRIDE",
+        KotlinHighlightingColors.KEYWORD
+    )
+
+internal val KOTLIN_MODIFIER: TextAttributesKey =
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_MODIFIER",
+        KotlinHighlightingColors.KEYWORD
+    )
+
+internal val KOTLIN_SEALED_OPEN: TextAttributesKey =
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_SEALED_OPEN",
+        KotlinHighlightingColors.KEYWORD
+    )
+
+internal val KOTLIN_COMPANION: TextAttributesKey =
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_COMPANION",
+        KotlinHighlightingColors.KEYWORD
+    )
+
+internal val KOTLIN_DATA: TextAttributesKey =
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_DATA",
+        KotlinHighlightingColors.KEYWORD
+    )
+
+internal val KOTLIN_OPERATOR_INFIX: TextAttributesKey =
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_OPERATOR_INFIX",
+        KotlinHighlightingColors.KEYWORD
+    )
+
+internal val KOTLIN_THIS_SUPER: TextAttributesKey =
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_THIS_SUPER",
+        KotlinHighlightingColors.KEYWORD
+    )
+
+internal val KOTLIN_NULL: TextAttributesKey =
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_NULL",
+        KotlinHighlightingColors.KEYWORD
+    )
+
+internal val KOTLIN_TRUE_FALSE: TextAttributesKey =
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_TRUE_FALSE",
+        KotlinHighlightingColors.KEYWORD
+    )
+
+internal val KOTLIN_ABSTRACT: TextAttributesKey =
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_ABSTRACT",
+        KotlinHighlightingColors.KEYWORD
+    )
+
+internal val KOTLIN_SUSPEND: TextAttributesKey =
+    TextAttributesKey.createTextAttributesKey(
+        "CUSTOM_KOTLIN_SUSPEND",
+        KotlinHighlightingColors.KEYWORD
+    )
 
 /**
  * @author Edoardo Luppi
  */
 private class KotlinAnnotator : Annotator {
-  private val globalScheme = EditorColorsManager.getInstance().globalScheme
+    private val globalScheme = EditorColorsManager.getInstance().globalScheme
+
+    override fun annotate(element: PsiElement, annotationHolder: AnnotationHolder) {
+        if (element is KtOperationReferenceExpression) {
+            getTextAttributes(element)?.let {
+                annotationHolder.setTextAttributes(element, it)
+            }
+        } else if (element is LeafPsiElement) {
+            getTextAttributes(element)?.let {
+                annotationHolder.setTextAttributes(element, it)
+            }
+        }
+    }
 
-  override fun annotate(element: PsiElement, annotationHolder: AnnotationHolder) {
-    if (element is KtOperationReferenceExpression) {
-      getTextAttributes(element)?.let {
-        annotationHolder.setTextAttributes(element, it)
-      }
+    private fun getTextAttributes(expr: KtOperationReferenceExpression): TextAttributes? {
+        val operationSignTokenType = expr.operationSignTokenType
+        return when {
+            operationSignTokenType is KtKeywordToken -> KOTLIN_KEYWORD_OPERATOR_FUN.getAttributes()
+            operationSignTokenType is KtSingleValueToken -> KOTLIN_MATH_OPERATOR_FUN.getAttributes()
+            !expr.isConventionOperator() -> KOTLIN_INFIX_FUN.getAttributes()
+            else -> null
+        }
     }
-  }
-
-  private fun getTextAttributes(expr: KtOperationReferenceExpression): TextAttributes? {
-    val operationSignTokenType = expr.operationSignTokenType
-    return when {
-      operationSignTokenType is KtKeywordToken -> KOTLIN_KEYWORD_OPERATOR_FUN.getAttributes()
-      operationSignTokenType is KtSingleValueToken -> KOTLIN_MATH_OPERATOR_FUN.getAttributes()
-      !expr.isConventionOperator() -> KOTLIN_INFIX_FUN.getAttributes()
-      else -> null
+
+    private fun getTextAttributes(element: LeafPsiElement): TextAttributes? {
+        return when (element.elementType) {
+            KtTokens.PUBLIC_KEYWORD,
+            KtTokens.PRIVATE_KEYWORD,
+            KtTokens.PROTECTED_KEYWORD,
+            KtTokens.INNER_KEYWORD,
+            KtTokens.INTERNAL_KEYWORD -> KOTLIN_MODIFIER.getAttributes()
+
+            KtTokens.OVERRIDE_KEYWORD -> KOTLIN_MODIFIER_OVERRIDE.getAttributes()
+
+            KtTokens.SEALED_KEYWORD,
+            KtTokens.OPEN_KEYWORD -> KOTLIN_SEALED_OPEN.getAttributes()
+
+            KtTokens.OBJECT_KEYWORD,
+            KtTokens.COMPANION_KEYWORD -> KOTLIN_COMPANION.getAttributes()
+
+            KtTokens.DATA_KEYWORD -> KOTLIN_DATA.getAttributes()
+
+            KtTokens.OPERATOR_KEYWORD,
+            KtTokens.INFIX_KEYWORD -> KOTLIN_OPERATOR_INFIX.getAttributes()
+
+            KtTokens.THIS_KEYWORD,
+            KtTokens.SUPER_KEYWORD -> KOTLIN_THIS_SUPER.getAttributes()
+
+            KtTokens.NULL_KEYWORD -> KOTLIN_NULL.getAttributes()
+
+            KtTokens.TRUE_KEYWORD,
+            KtTokens.FALSE_KEYWORD -> KOTLIN_TRUE_FALSE.getAttributes()
+
+            KtTokens.ABSTRACT_KEYWORD -> KOTLIN_ABSTRACT.getAttributes()
+
+            KtTokens.SUSPEND_KEYWORD -> KOTLIN_SUSPEND.getAttributes()
+
+            else -> null
+        }
     }
-  }
 
-  private fun AnnotationHolder.setTextAttributes(
-      element: PsiElement,
-      textAttributes: TextAttributes) {
-    createInfoAnnotation(element, null).enforcedTextAttributes = textAttributes
-  }
+    private fun AnnotationHolder.setTextAttributes(
+        element: PsiElement,
+        textAttributes: TextAttributes) {
+        createInfoAnnotation(element, null).enforcedTextAttributes = textAttributes
+    }
 
-  private fun TextAttributesKey.getAttributes(): TextAttributes =
-    globalScheme.getAttributes(this)
+    private fun TextAttributesKey.getAttributes(): TextAttributes =
+        globalScheme.getAttributes(this)
 }
diff --git a/src/main/kotlin/com/github/lppedd/kotlin/KotlinColorSettingsPage.kt b/src/main/kotlin/com/github/lppedd/kotlin/KotlinColorSettingsPage.kt
index e4cdcfd..50f4ed5 100644
--- a/src/main/kotlin/com/github/lppedd/kotlin/KotlinColorSettingsPage.kt
+++ b/src/main/kotlin/com/github/lppedd/kotlin/KotlinColorSettingsPage.kt
@@ -24,28 +24,104 @@ private class KotlinColorSettingsPage : ColorSettingsPage {
 
   override fun getAttributeDescriptors(): Array<AttributesDescriptor> =
     arrayOf(
-      AttributesDescriptor("Infix function call", KOTLIN_INFIX_FUN),
-      AttributesDescriptor("Keyword operator function call", KOTLIN_KEYWORD_OPERATOR_FUN),
-      AttributesDescriptor("Math operator function call", KOTLIN_MATH_OPERATOR_FUN),
+      AttributesDescriptor("Operation//Infix function call", KOTLIN_INFIX_FUN),
+      AttributesDescriptor("Operation//Keyword operator function call", KOTLIN_KEYWORD_OPERATOR_FUN),
+      AttributesDescriptor("Operation//Math operator function call", KOTLIN_MATH_OPERATOR_FUN),
+
+      AttributesDescriptor("Keywords//override", KOTLIN_MODIFIER_OVERRIDE),
+      AttributesDescriptor("Keywords//public private protected internal inner", KOTLIN_MODIFIER),
+      AttributesDescriptor("Keywords//sealed open", KOTLIN_SEALED_OPEN),
+      AttributesDescriptor("Keywords//companion", KOTLIN_COMPANION),
+      AttributesDescriptor("Keywords//data", KOTLIN_DATA),
+      AttributesDescriptor("Keywords//operator infix", KOTLIN_OPERATOR_INFIX),
+      AttributesDescriptor("Keywords//this super", KOTLIN_THIS_SUPER),
+      AttributesDescriptor("Keywords//null", KOTLIN_NULL),
+      AttributesDescriptor("Keywords//true false", KOTLIN_TRUE_FALSE),
+      AttributesDescriptor("Keywords//abstract", KOTLIN_ABSTRACT),
+      AttributesDescriptor("Keywords//suspend", KOTLIN_SUSPEND),
     )
 
   override fun getAdditionalHighlightingTagToDescriptorMap(): Map<String, TextAttributesKey> =
     mapOf(
-      "k-infix" to KOTLIN_INFIX_FUN,
-      "k-kw-operator" to KOTLIN_KEYWORD_OPERATOR_FUN,
-      "k-math-operator" to KOTLIN_MATH_OPERATOR_FUN,
+      "kt-infix" to KOTLIN_INFIX_FUN,
+      "kt-operator" to KOTLIN_KEYWORD_OPERATOR_FUN,
+      "kt-math-operator" to KOTLIN_MATH_OPERATOR_FUN,
+
+      "kt-kw-override" to KOTLIN_MODIFIER_OVERRIDE,
+      "kt-kw-modifier" to KOTLIN_MODIFIER,
+      "kt-kw-sealed" to KOTLIN_SEALED_OPEN,
+      "kt-kw-open" to KOTLIN_SEALED_OPEN,
+      "kt-kw-companion" to KOTLIN_COMPANION,
+      "kt-kw-data" to KOTLIN_DATA,
+      "kt-kw-operator" to KOTLIN_OPERATOR_INFIX,
+      "kt-kw-infix" to KOTLIN_OPERATOR_INFIX,
+      "kt-kw-this" to KOTLIN_THIS_SUPER,
+      "kt-kw-super" to KOTLIN_THIS_SUPER,
+      "kt-kw-null" to KOTLIN_NULL,
+      "kt-kw-true" to KOTLIN_TRUE_FALSE,
+      "kt-kw-false" to KOTLIN_TRUE_FALSE,
+      "kt-kw-abstract" to KOTLIN_ABSTRACT,
+      "kt-kw-suspend" to KOTLIN_SUSPEND,
     )
 
   override fun getDemoText(): String = """
-        |fun myFunction(myValue: String, myValues: List<String>) {
-        |    if (myValue <k-infix>owns</k-infix> 'c') { }
-        |    if (myValue <k-kw-operator>!in</k-kw-operator> myValues) { }
-        |    if (myValue <k-math-operator>></k-math-operator> myValues.first()) { }
+        |import java.util.*
+        |
+        |package myPackage.hello
+        |
+        |<kt-kw-open>open</kt-kw-open> class MyClass {
+        |    <kt-kw-modifier>private</kt-kw-modifier> val fooBar = "";
+        |
+        |    <kt-kw-modifier>protected</kt-kw-modifier> <kt-kw-open>open</kt-kw-open> fun foo(): Unit? {
+        |        val values = listOf(<kt-kw-true>true</kt-kw-true>, <kt-kw-null>null</kt-kw-null>, <kt-kw-false>false</kt-kw-false>)
+        |        println(values)
+        |        return <kt-kw-null>null</kt-kw-null>
+        |    }
+        |
+        |    <kt-kw-modifier>internal</kt-kw-modifier> fun bar() {
+        |        return Unit
+        |    }
+        |}
+        |
+        |<kt-kw-sealed>sealed</kt-kw-sealed> class MySealedClass : MyClass() {
+        |    <kt-kw-override>override</kt-kw-override> fun foo(): Unit? {
+        |        println("override")
+        |        <kt-kw-super>super</kt-kw-super>.foo()
+        |        return null
+        |    }
+        |
+        |    <kt-kw-companion>companion</kt-kw-companion> object {
+        |        fun create(): MyClass {
+        |            return MyClass()
+        |        }
+        |    }
         |}
         |
-        |infix fun String.owns(char: Char): Boolean = contains(char)
+        |<kt-kw-data>data</kt-kw-data> class MyDataClass(val num: Int) {
+        |    <kt-kw-modifier>public</kt-kw-modifier> <kt-kw-operator>operator</kt-kw-operator> <kt-kw-infix>infix</kt-kw-infix> fun plus(to: Int) {
+        |        return <kt-kw-this>this</kt-kw-this> + to
+        |    }
+        |}
+        |
+        |<kt-kw-override>override</kt-kw-override> fun myFunction(myValue: String, myValues: List<String>) {
+        |    if (myValue <kt-infix>owns</kt-infix> 'c') { }
+        |    if (myValue <kt-operator>!in</kt-operator> myValues) { }
+        |    if (myValue <kt-math-operator>></kt-math-operator> myValues.first()) { }
+        |}
+        |
+        |<kt-kw-abstract>abstract</kt-kw-abstract> class AbstractClass {
+        |   abstract val text: Int
+        |}
+        |
+        |<kt-kw-modifier>inner</kt-kw-modifier> class InnerClass {}
+        |
+        |<kt-kw-suspend>suspend</kt-kw-suspend> fun suspendCall() = suspendFun()
+        |
+        |<kt-kw-suspend>suspend</kt-kw-suspend> fun suspendFun() {}
+        |
+        |<kt-kw-infix>infix</kt-kw-infix> fun String.owns(char: Char): Boolean = contains(char)
     """.trimMargin()
 
   override fun getColorDescriptors(): Array<ColorDescriptor> =
     ColorDescriptor.EMPTY_ARRAY
-}
+}
\ No newline at end of file